4176: In the context of the Indian defense, what is 'Dhruv' ?
(a) Aircraft carrying warship
(b) Missile carrying submarine
(c) Advanced light helicopter
(d) Intercontinental ballistic missile
4177: Neolithic period of age is not characterised by:
(a) Agriculture
(b) Use of copper
(c) Domestication of animals
(d) Fishing
4178: It is possible to produce algae based biofuels, but what is/are the likely limitation(s) of developing countries in promoting this industry?
1. Production of algae based biofuels is possible in seas only and not on continents.
2. Setting up and engineering the algae based biofuel production requires high level of expertise/technology until the construction is completed.
3. Economically viable production necessitates the setting up of large scale facilities which may raise ecological and social concerns.
Select the correct answer using the code given below:
a. 1 and 2 only
b. 2 and 3 only
c. 3 only
d. 1, 2 and 3
4179: Matriarchical system obtains among the
(a) Nagas, Nairs and Meenas
(b) Nairs and Khasis
(c) Bhils, Nairs and Khasis
(d) Nagas and Khasis
4180: At what temperature are the readings of a Centigrade and Fahrenheit thermometer the same?
(a) -40
(b) 212
(c) 40
(d) 100